Granted Patent
Utility
US 6,734,159 · App. 10/396,608
Isolongifolenyl ethers, their preparation and their use
Inventors:
Wilhelm Pickenhagen, Dietmar Schatkowski
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Mar 25, 2003
Inventors
Wilhelm Pickenhagen
Dietmar Schatkowski
Assignee (at issue)
Symrise GmbH & Co. KG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.